1.cube-js / cube
📊 Cube Core is open-source semantic layer for AI, BI and embedded analytics
+67 stars
from 21,073 · score 4.22
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2.Canner / WrenAI
GenBI (Generative BI) for AI agents, an open-source, governed text-to-SQL through an open context layer that turns natural-language questions into trusted dashboards, charts, and SQL across 20+ data sources, such as BigQuery, Snowflake, PostgreSQL, ClickHouse, Amazon Redshift, Databricks and more.
+62 stars
from 17,970 · score 4.14
3.ralforion / orionbelt-semantic-layer
Source-available semantic and context layer, rule engine, and semantic sidecar for agentic AI and governed analytics. Compiles declarative YAML models into optimized SQL, KPIs, and semantic context across 8 SQL dialects.
+1 stars
from 101 · score 0.69